The real cost of a mortgage: what banks don't tell you upfront

When you get a mortgage pre-approval, the lender quotes an interest rate and a monthly payment. But the real cost of owning a home includes many expenses banks do not prominently disclose. Understanding these costs is the difference between being house-rich and house-poor.

The four components of your true monthly payment

Principal and interest (P&I) — This is what the bank quotes. It covers repaying the loan plus interest. On a $400,000 loan at 6.5% for 30 years, P&I is $2,528 per month.

Property taxes — These vary by location but typically run 0.5-2% of the home’s value annually. On a $500,000 home, that is $250-$833 per month. Many homeowners forget to factor this in.

Homeowners insurance — Expect $800-$2,000 per year depending on location, home age, and coverage. That adds $67-$167 per month.

Private mortgage insurance (PMI) — If you put down less than 20%, PMI costs 0.5-1% of the loan amount per year. On a $400,000 loan, that is $167-$333 per month until you reach 20% equity.

The total picture

A $400,000 home with 20% down at 6.5%:

• P&I: $2,025
• Property taxes: $417 (1% annual)
• Insurance: $100
• PMI: $0 (20% down)
• Total: $2,542/month

Same home with 5% down:

• P&I: $2,404
• Property taxes: $417
• Insurance: $100
• PMI: $250
• Total: $3,171/month

The extra $629/month on the low-down-payment scenario is largely invisible until you add it up.

The amortization reality

In the first year of a 30-year mortgage, roughly 75% of your payment goes to interest, not principal. On that $400,000 loan, you would pay about $25,800 in interest and only $6,500 toward principal in year one. The bank gets paid first. You build equity slowly.

Closing costs are not small

Plan for 2-5% of the purchase price in closing costs. On a $500,000 home, that is $10,000-$25,000 in cash before you even move in. These include the origination fee, appraisal, title insurance, escrow, and recording fees.

Use the Mortgage Calculator to see the true monthly cost and how much interest you will pay over the life of the loan.